CN102317121A - Fastening arrangement for an airbag module housing - Google Patents
Fastening arrangement for an airbag module housing Download PDFInfo
- Publication number
- CN102317121A CN102317121A CN2010800073498A CN201080007349A CN102317121A CN 102317121 A CN102317121 A CN 102317121A CN 2010800073498 A CN2010800073498 A CN 2010800073498A CN 201080007349 A CN201080007349 A CN 201080007349A CN 102317121 A CN102317121 A CN 102317121A
- Authority
- CN
- China
- Prior art keywords
- air bag
- module housing
- form fit
- flange
- bag module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000005540 biological transmission Effects 0.000 claims description 35
- 230000013011 mating Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 7
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 210000001364 upper extremity Anatomy 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/205—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in dashboards
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
Disclosed is a fastening arrangement comprising an airbag module housing for accommodating an airbag and a gas generator. The fastening arrangement further comprises a deployment chute (3), to which the airbag module housing can be attached using form-locking elements (21) that engage with mating receiving devices (311). Furthermore, a flange (20) is arranged on the airbag module housing (2), said flange (20) including through-holes (200) for inserting fastening means that are used to permanently fasten the airbag module housing (2) to the deployment chute (3) or an instrument panel.
Description
Technical field
The present invention relates to a kind of securing device; Said securing device has the air bag module housing that is used to hold safety air bag and gas generator; Can the air bag module housing be fixed to said securing device through the form fit part; Wherein, said form fit part is accepted part bonding with corresponding design-calculated.Especially, be the securing device of chaufeur and airbag outfit this type, and this securing device is used for air bag module firmly is mounted to gauge panel or is installed in gauge panel.
Background technology
The air bag unit that is used for self-propelled vehicle is known by everybody widely.Safety air bag is installed in a plurality of positions in the self-propelled vehicle so that the protection automotive occupant avoids direct impact on the vehicle structure or on the parts of interior arrangement.For this purpose,, just triggers sensor compressed air source when detecting accident or imminent accident.In general, safety air bag is set at the back of trim panel, and such setting at first is in order to give automotive occupant comfortable as far as possible vehicle interior device impression, and second is in order to protect the safety air bag of folding up usually to avoid external influence.The proper compression gas source is exactly compressed gas storage device and pyrotechnics propellant, and the two also can use together.If said " gas generator " is triggered; The preset line of rupture that be full of blanketing gas and edge in the safety air bag provides for this reason expands and breaks through lid or trim panel; Therefore, safety air bag can be deployed into vehicle interior and place vehicle structure or the front of interior arrangement.For guaranteeing repeatably to launch the characteristics of operation and influence expansion, one " transmission channel (firing channel) " is set, the safety air bag that is just launching extends in this passage from air bag module before wearing out lid.
DE 20 2,005 012 216 U1 have described a kind of air bag unit that is used for self-propelled vehicle, and wherein air bag module is connected to the annular wall of gauge panel through locking device.Design this locking device so that they work between the relative outer wall of annular wall, gauge panel and air bag module housing.This locking device is in the generation effect relative between outer wall of annular wall and housing and can laterally move with respect to annular wall, so housing and annular wall can be utilized along the relative motion of annular wall longitudinal axis with simple mode and be connected to each other.
Summary of the invention
The purpose of this invention is to provide a kind of securing device, utilize this device at first can be easy to pre-install the air bag module housing, secondly is can the air bag module housing firmly and reliably finally be fastened on transmission channel or the gauge panel.According to the present invention, the securing device with characteristic of main claim capable of using is reached this purpose.Mention useful improvement of the present invention and development in the dependent claims.
According to securing device of the present invention; This securing device have one be used to hold safety air bag and gas generator the air bag module housing; Can the air bag module housing be fixed on this securing device through form fit (form-fitting) part; Wherein this form fit part is accepted part bonding with corresponding design-calculated, and this securing device provides following setting, and the flange with access opening is arranged on the air bag module housing; This access opening is used for secure component and passes, and this secure component is used for the air bag module housing finally is fastened to transmission channel or gauge panel.Utilize the structure of flange; Can be firmly fixedly the air bag module housing make at the air bag module housing, thus and the spacing confirmed arranged between wherein safety air bag and the lid relevant with automotive occupant with respect to the position of transmission channel or gauge panel.Therefore, improved expansion duplicability can be provided.In addition, because the air bag module housing can immovably be fixed to transmission channel or gauge panel through secure component (for example screw or analogue), so avoided the air bag module housing with respect to transmission channel or gauge panel and move.Said form fit part only is used for the prepackage of air bag module housing on transmission channel or gauge panel, and said secure component is used for the firm fixation of safety airbag casing.Therefore, can simplify the installation of air bag module,, make staff's both hands to vacate and be used for last installation because of the air bag module housing can be placed on transmission channel or the gauge panel and working fastening.The accuracy of installing in view of the above and the quality of installation are improved.
An improvement of the present invention is the whole transmission channel that forms in the gauge panel of self-propelled vehicle or in the vehicle structure; For example in the manufacturing process of the gauge panel of vehicle structure, can with transmission channel injection-molded to or be integrally formed on the gauge panel of vehicle structure.
In an alternatives, wherein transmission channel is designed to independently attaching parts and is arranged on the vehicle structure, this independently attaching parts have the secure component that is used for the air bag module housing.In this case, said transmission channel is installed on the vehicle structure and places the front of air bag module housing, and the air bag module housing finally is secured on transmission channel or the vehicle structure.
Said form fit part can be provided with or be formed on the flange.If the air bag module housing is to be formed by plastic material; Preferably use injection-molded or foundry technique forms the form fit part above that; And if the air bag module housing is to be formed by for example metal, can therefrom stamps out the form fit part and utilize distortion to make it moulding.Also can make the form fit part separately and it is fastened on the air bag module housing.
Said form fit part also can be arranged on the flange outward flange or in the flange.If the form fit part is arranged on the outer peripheral outside of flange; This part surpasses said flange outward flange and stretches out; This part is divided from the outer peripheral edges generation of flange or from the flange support face come, this bearing surface is substantially perpendicular to the air bag module housing wall.Being provided with in the outer peripheral edges that expression form fit part is placed on flange and being no more than this place and stretching out in flange.
In a kind of distortion of the present invention; The access opening that wherein said form fit part passes in the flange extends; The form fit part extends beyond at least one bearing surface of flange, so that can pre-install with plain mode through flange is placed or pressed against on gauge panel or the transmission channel.The advantage that setting in access opening has is to protect said form fit part to avoid ectocine well, and in transportation, also can not damage because of lateral loading and collision.
As the replacement scheme that is arranged on the form fit part on the flange, providing a kind of also is to be formed directly into or to be arranged on form fit part on the air bag module housing to allow the interim installation on gauge panel or transmission channel.
Preferably; The form fit part is designed to elasticity locking lug; It has an insertion inclined-plane (insertion slope), utilizes this insertion inclined-plane can occur in the skew perpendicular to the direction of insertion of air bag module housing on transmission channel or the gauge panel direction.In case arrive the expection installation site, said locking lug is locked to gauge panel or transmission channel with regard to resilience and with the form fit mode with the air bag module housing.
The invention provides an improvement, be provided with at flange or on the air bag module housing usually or form at least one aligning parts, utilize this aligning parts to guarantee that the air bag module housing accurately is positioned on gauge panel or the transmission channel.This aligning parts can be designed to pin, protrusion or bolt, and it can insert corresponding room in gauge panel or the transmission channel to guarantee in the prepackage process the correct directed and location of air bag module housing.On the contrary, said aligning parts also can be provided with or be formed on gauge panel or the transmission channel, and said room is arranged on the air bag module housing.
Also can said form fit part be aimed at towards opening direction in the opposite direction with safety air bag, produce and be applied to the subsidiary load on the air bag module housing in the trigger process of safety air bag so that they can be absorbed in.Yet also can the form fit part be aimed at along the direction of opening of safety air bag effectively in principle, if conform to air bag module housing installation requirement.
Preset breaking-down point can be arranged on the said form fit part, so that after finally being installed in the air bag module housing on gauge panel or the transmission channel, can remove the said part that will no longer need subsequently.Basically, also have for the form fit part it is arranged on the possibility in the access opening that secure component passes, make after secure component is inserted into each access opening, to fracture and remove the form fit part.
Description of drawings
Exemplary embodiment of the present invention will provide detailed description hereinafter with reference to accompanying drawing, wherein:
Fig. 1 illustrates partial cross section's three-dimensional view of the safety airbag casing that is fixed to transmission channel;
Fig. 2 illustrates the cross sectional view of safety airbag casing;
Fig. 3 illustrates the details cross sectional view of safety airbag casing;
Fig. 4 illustrates the difference setting of the flange on the safety airbag casing;
Fig. 5 illustrates the details cross sectional view of the form fit part that is located on the flange outward flange;
Fig. 6 illustrates a kind of distortion of Fig. 3, and wherein the form fit part is aimed at the other way around;
Fig. 7 illustrates the form fit part that is set directly on the air bag covers body wall; And
Fig. 8 illustrates a kind of distortion of Fig. 7.
The specific embodiment
Fig. 1 illustrates the securing device that has air bag module housing 2 with partial cross section's three-dimensional view, wherein safety air bag and gas generator be placed in the air bag module housing 2 with safety air bag and gas generator is attached on the vehicle structure together with air bag module housing 2 or vehicle in holding device on.Said air bag module housing 2 is designed to shelly and has upper opening, and after lighting gas generator, folding safety air bag (not shown) can be put on display from this opening.Two flanges 20 are formed on the air bag module housing 2 and wall from it extends laterally.In example shown property embodiment, on the rectangular leptoprosopy of the cardinal principle that two flanges 20 are arranged on air bag module housing 2.In principle, said flange 20 also can be designed to fully around maybe being set up or being formed on vertical side of air bag module housing 20.In example shown property embodiment, air bag module housing 20 is processed by plastic material, alternatively also can use case material, for example also can use light metal.
Fig. 1 illustrate a kind of like this can be by the individual transmission channel 3 of plastics or made, wherein form a sleeve 300 as the extendible portion of the opening of air bag module housing 2, this sleeve towards substantially and safety air bag to open direction parallel.Said sleeve 300 is from 2 extensions of air bag module housing and produce a free space so that safety air bag can launch therein.Upside and downside at sleeve 300 are formed with bending (bent-over) lug 31,32 generally along planar orientation.Towards the lug 31 of the bearing surface 23 of said flange 20 have with the mode corresponding to access opening 200 be positioned in the flange 20 and with alignment so against above that access opening 310.What likewise also be provided for form fit part 21 accepts parts 311, but so air bag module housing 20 form fit be fixed to lug 31 towards flange 20.
Said individual transmission channel 3 is provided with access opening 320,321,322 equally on last lug 32, can before or after air bag module housing 2 is installed, transmission channel be fixed on gauge panel or other vehicle structure through these access openings.For example, can use the screw that passes access opening 321 to be fixed.Location auxiliary member through inserting access opening 322 can be positioned at transmission channel 3 on the gauge panel.Use access opening 310 air bag module housing 2 finally to be fixed to transmission channel, and the access opening 320 that also can utilize the secure component (not shown) to be passed in the far-end lug 32 is fixed to air bag module housing 2 on the gauge panel together with the access opening in flange 20 200.Air bag module housing 2 is aimed at respect to following lug 31 through the aligning parts 22 of the tommy form of global formation.
Fig. 2 schematically shows the structure that is provided with the air bag module housing 2 that extends laterally flange 20 with the cross sectional view mode, and its flange 20 has access opening 200.Be provided with gas generator 4 and folding safety air bag 5 in the air bag module housing 2, when triggering gas generator 4, safety air bag 5 passes opening and upwards launches.
Fig. 3 at length illustrates the flange 20 of air bag module housing 2, wherein in access opening 200, is formed with the form fit part 21 of elasticity locking tab-shaped formula.The lug 31 of individual transmission channel 3 equally also is illustrated.Therefore be integrally formed in that biting hook or elasticity locking lug 21 in the air bag module housing 2 is clamped in the transmission channel 3 and the parts that need not add.Therefore, with the self-supporting mode before actual installation begins with air bag module housing 2 pre-fix to gas generator 4 be possible with safety air bag 5.Utilize additional independent secure component finally to install, this secure component passes the access opening 200 in the flange 20 and is fixed to lug 31.In addition, said secure component also can be fixed on other parts of vehicle structure.
Substitute fastening on individual transmission channel 3 shown in Fig. 1 or Fig. 3, also can on trim panel, vehicle body or other vehicle structure part of bearing support, gauge panel, gauge panel, directly install temporarily through form fit part 21.Need on each strut member, form or be provided for the cooresponding parts of accepting of form fit part 21 for this purpose.
Fig. 5 illustrates a kind of distortion of the present invention, and therein, the form fit part 21 of elasticity locking tab-shaped formula is not located in the access opening 200 in the flange 20, and is provided in a side of on the outer peripheral edges of flange 20, promptly on the flange outward flange.The structure of the relative thin of said form fit part 21 has allowed the structure of lightweight, and when no longer needing this part, can it be removed fast.For this purpose, for example, the form fit part is provided with preset breaking-down point 25, and putting under external force along this, integraty of material preferably is destroyed.
Fig. 6 illustrates a kind of distortion of the present invention, therein, form fit part 21 as shown in Figure 3 with difference in being arranged on flange 20.Yet in Fig. 3, carry out and the insertion inclined-plane of form fit part 21 downwards broaden along opening by direction for locking, the form fit part 21 that in Fig. 6, provides towards with open in the opposite direction.Along opening the cartridge insertion direction that direction is meant form fit part 21 also is the direction that safety air bag 5 launches.Be exactly this situation, for example, if air bag module housing 2 is inserted in the transmission channel 3 behind the trim panel.In the distortion according to Fig. 6, air bag module housing 3 fronts are equipped with the closed side, and for example when air bag module housing 2 was urged into room, this room pushed or inserts the back at air bag module housing 2 and seals once more through lid.Said lid covers the opening in the air bag module housing 2 subsequently.In distortion according to Fig. 6; The power that in the process that safety air bag 5 launches, acts on is conducted through flange 20 and lug 31 or strut member; Yet according to Fig. 3 towards situation under; Only separately through the secure component (not shown), for example screw or analogue are passed power, and perhaps power is partly transmitted through form fit part 21.
Fig. 7 and Fig. 8 illustrate the different structure of the form fit part 21 on the housing wall that is directly arranged in air bag module housing 2.Fig. 7 illustrates a kind of distortion, and form fit part 21 extends under the upper limb of air bag module housing 2 therein.Fig. 8 illustrates a kind of distortion, therein the form fit part 21 outstanding upper limbs that surpass air bag module housing 2.Even when form fit part 21 directly is provided with or be formed on the housing wall, also preset breaking-down point can be set.Through the final fixing air bag module housing 2 of other secure component, and through form fit part 21 or a plurality of form fit part 21.Form fit part 21 can only bear the load in order to the required degree of dead weight of support safety air bag module housing 2, thus its can design ground very little and exquisite.
Claims (12)
1. securing device; Said securing device has the air bag module housing that is used to hold safety air bag and gas generator; Can this air bag module housing be fixed to said securing device through the form fit part; Wherein the form fit part is accepted part bonding with corresponding design-calculated, it is characterized in that, said air bag module housing (2) is provided with flange (20); This flange has the access opening (200) that is used for secure component and passes, and this secure component is used for air bag module housing (2) finally is fastened to transmission channel (3) or gauge panel.
2. securing device according to claim 1 is characterized in that, said transmission channel is integrally formed in the gauge panel of self-propelled vehicle or in vehicle structure.
3. securing device according to claim 1 is characterized in that, said transmission channel (3) is designed to independently attaching parts, and it has the secure component (31,32) that is used for air bag module housing (2) and at vehicle structure.
4. each described securing device in requiring according to aforesaid right is characterized in that said form fit part (21) is arranged on or is formed on the said flange (20).
5. securing device according to claim 4 is characterized in that, said form fit part (21) is arranged on the flange outward flange or is arranged in the said flange.
6. according to claim 4 or 5 described securing devices, it is characterized in that said form fit part (21) extends through the access opening (200) in the said flange (20).
7. according to each described securing device in the claim 1 to 3, it is characterized in that said form fit part (21) forms or is arranged on the air bag module housing wall.
8. each described securing device in requiring according to aforesaid right is characterized in that said form fit part (21) is designed to elasticity locking lug.
9. each described securing device in requiring according to aforesaid right is characterized in that at least one aligning parts (22) is arranged on or is formed on the said flange (20).
10. securing device according to claim 9 is characterized in that, said aligning parts (22) is designed to pin or bolt.
11. each described securing device in requiring according to aforesaid right is characterized in that, said form fit part (21) is opened the direction orientation in contrast to safety air bag (5).
12., it is characterized in that said form fit part (21) is provided with preset breaking-down point (25) according to each described securing device in the aforesaid right requirement.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009008383.9 | 2009-02-11 | ||
| DE102009008383.9A DE102009008383B4 (en) | 2009-02-11 | 2009-02-11 | mounting assembly |
| PCT/EP2010/000683 WO2010091819A1 (en) | 2009-02-11 | 2010-02-04 | Fastening arrangement for an airbag module housing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102317121A true CN102317121A (en) | 2012-01-11 |
| CN102317121B CN102317121B (en) | 2014-04-16 |
Family
ID=42110979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080007349.8A Expired - Fee Related CN102317121B (en) | 2009-02-11 | 2010-02-04 | Fastening arrangement for an airbag module housing |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8752859B2 (en) |
| CN (1) | CN102317121B (en) |
| DE (1) | DE102009008383B4 (en) |
| WO (1) | WO2010091819A1 (en) |
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| CN106494344A (en) * | 2015-09-01 | 2017-03-15 | 通用汽车环球科技运作有限责任公司 | For the ring support that snap lock engages checking |
| US10077019B2 (en) | 2015-03-09 | 2018-09-18 | Calsonic Kansei Corporation | Vehicle airbag device |
| CN114734946A (en) * | 2022-04-25 | 2022-07-12 | 奇瑞汽车股份有限公司 | Air bag and vehicle |
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| DE102012215840A1 (en) * | 2012-09-06 | 2014-05-28 | Bayerische Motoren Werke Aktiengesellschaft | Motor vehicle with an airbag module |
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| DE102006041734B4 (en) * | 2006-09-01 | 2010-07-29 | Takata-Petri Ag | Device for fastening an airbag unit in an assembly of a motor vehicle, in particular in a steering wheel, by latching |
| US7568724B2 (en) * | 2006-09-22 | 2009-08-04 | Autoliv Asp, Inc. | Airbag cover with retaining channel |
| US7234724B1 (en) * | 2006-09-26 | 2007-06-26 | International Automotive Components Group North America, Inc. | Airbag assembly with angled keyway |
-
2009
- 2009-02-11 DE DE102009008383.9A patent/DE102009008383B4/en active Active
-
2010
- 2010-02-04 CN CN201080007349.8A patent/CN102317121B/en not_active Expired - Fee Related
- 2010-02-04 WO PCT/EP2010/000683 patent/WO2010091819A1/en active Application Filing
- 2010-02-04 US US13/148,718 patent/US8752859B2/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104619560A (en) * | 2012-09-06 | 2015-05-13 | 宝马股份公司 | Motor vehicle with an airbag module |
| CN104619560B (en) * | 2012-09-06 | 2016-12-14 | 宝马股份公司 | Motor vehicles including air bag module |
| US10077019B2 (en) | 2015-03-09 | 2018-09-18 | Calsonic Kansei Corporation | Vehicle airbag device |
| CN106494344A (en) * | 2015-09-01 | 2017-03-15 | 通用汽车环球科技运作有限责任公司 | For the ring support that snap lock engages checking |
| CN106494344B (en) * | 2015-09-01 | 2019-10-18 | 通用汽车环球科技运作有限责任公司 | The method and apparatus engaged between verifying air bag module and instrument board sliding slot |
| CN114734946A (en) * | 2022-04-25 | 2022-07-12 | 奇瑞汽车股份有限公司 | Air bag and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010091819A1 (en) | 2010-08-19 |
| DE102009008383B4 (en) | 2016-09-22 |
| CN102317121B (en) | 2014-04-16 |
| DE102009008383A1 (en) | 2010-09-23 |
| US20120007346A1 (en) | 2012-01-12 |
| US8752859B2 (en) | 2014-06-17 |
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